/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/Chat/SocialChatRoom.h
virtual void Initialize ( [USocialUser](API\Plugins\Party\User\USocialUser) * InSocialUser, const [FChatRoomId](API\Plugins\OnlineSubsystem\Interfaces\FChatRoomId) & InChannelId, [ESocialChannelType](API\Plugins\Party\Chat\ESocialChannelType) InSourceChannelType )